168 lines
4.7 KiB
Python
168 lines
4.7 KiB
Python
#!/usr/bin/env python
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# Elasticsearch Recon Ingestion Scripts (ERIS) - Developed by Acidvegas (https://git.acid.vegas/eris)
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# ingest_rir_delegations.py
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import csv
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import logging
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import time
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try:
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import aiohttp
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except ImportError:
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raise ImportError('Missing required \'aiofiles\' library. (pip install aiofiles)')
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# Set a default elasticsearch index if one is not provided
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default_index = 'rir-delegations-' + time.strftime('%Y-%m-%d')
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# Delegation data sources
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delegation_db = {
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'afrinic' : 'https://ftp.afrinic.net/stats/afrinic/delegated-afrinic-extended-latest',
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'apnic' : 'https://ftp.apnic.net/stats/apnic/delegated-apnic-extended-latest',
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'arin' : 'https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-latest',
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'lacnic' : 'https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-latest',
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'ripe' : 'https://ftp.ripe.net/pub/stats/ripencc/delegated-ripencc-extended-latest'
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}
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def construct_map() -> dict:
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'''Construct the Elasticsearch index mapping for records'''
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# Match on exact value or full text search
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keyword_mapping = { 'type': 'text', 'fields': { 'keyword': { 'type': 'keyword', 'ignore_above': 256 } } }
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# Construct the index mapping
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mapping = {
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'mappings': {
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'properties': {
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'registry' : { 'type': 'keyword' },
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'cc' : { 'type': 'keyword' },
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'type' : { 'type': 'keyword' },
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'start' : {
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'properties': {
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'asn' : {'type': 'integer' },
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'ip' : {'type': 'ip' }
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}
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},
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'value' : { 'type': 'integer' },
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'date' : { 'type': 'date' },
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'status' : { 'type': 'keyword' },
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'extensions' : keyword_mapping
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}
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}
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}
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return mapping
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async def process_data():
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'''Read and process the delegation data.'''
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for registry, url in delegation_db.items():
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try:
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headers = {'Connection': 'keep-alive'} # This is required for AIOHTTP connections to LACNIC
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async with aiohttp.ClientSession(headers=headers) as session:
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async with session.get(url) as response:
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if response.status != 200:
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logging.error(f'Failed to fetch {registry} delegation data: {response.status}')
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continue
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csv_data = await response.text()
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rows = [line for line in csv_data.split('\n') if line and not line.startswith('#')]
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csv_reader = csv.reader(rows, delimiter='|')
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del rows, csv_data # Cleanup
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# Process the CSV data
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for row in csv_reader:
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cache = '|'.join(row) # Cache the last row for error handling
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# Heuristic for the header line (not doing anything with it for now)
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if len(row) == 7 and row[1] != '*':
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header = {
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'version' : row[0],
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'registry' : row[1],
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'serial' : row[2],
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'records' : row[3],
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'startdate' : row[4],
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'enddate' : row[5],
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'UTCoffset' : row[6]
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}
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continue
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# Heuristic for the summary lines (not doing anything with it for now)
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elif row[2] != '*' and row[3] == '*':
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summary = {
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'registry' : row[0],
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'type' : row[2],
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'count' : row[4]
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}
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continue
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# Record lines (this is what we want)
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else:
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record_type = 'asn' if row[3].isdigit() else 'ip' # Store with the correct mapping type
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record = {
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'registry' : row[0],
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'type' : row[2],
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'start' : { record_type: row[3] },
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'value' : row[4],
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'status' : row[6]
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}
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if len(row) == 7:
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if row[7]:
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record['extensions'] = row[7]
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if (cc := row[1]):
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record['cc'] = cc.lower()
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if (date_field := row[5]):
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if date_field != '00000000':
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record['date'] = time.strftime('%Y-%m-%dT%H:%M:%SZ', time.strptime(date_field, '%Y%m%d')),
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#json_output['records'].append(record)
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# Let's just index the records themself (for now)
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yield {'_index': default_index, '_source': record}
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except Exception as e:
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logging.error(f'Error processing {registry} delegation data: {e}')
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async def test():
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'''Test the ingestion process'''
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async for document in process_data():
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print(document)
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if __name__ == '__main__':
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import asyncio
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asyncio.run(test())
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'''
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Output:
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arin|US|ipv4|76.15.132.0|1024|20070502|allocated|6c065d5b54b877781f05e7d30ebfff28
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arin|US|ipv4|76.15.136.0|2048|20070502|allocated|6c065d5b54b877781f05e7d30ebfff28
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arin|US|ipv4|76.15.144.0|4096|20070502|allocated|6c065d5b54b877781f05e7d30ebfff28
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arin|US|ipv4|76.15.160.0|8192|20070502|allocated|6c065d5b54b877781f05e7d30ebfff28
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Input:
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{
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'registry' : 'arin',
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'cc' : 'US',
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'type' : 'ipv4',
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'start' : { 'ip': '76.15.132.0' },
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'value' : 1024,
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'date' : '2007-05-02T00:00:00Z',
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'status' : 'allocated',
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'extensions' : '6c065d5b54b877781f05e7d30ebfff28'
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}
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'''
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